21587616

素因数分解:

$2^5\times 3^2\times {\mathrm{23}}^1\times {\mathrm{3259}}^1$

素因数の和:3298

約数の個数: 72

約数和(自身を含む): 64078560

約数和(自身を除く): 42490944

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 23, 24, 32, 36, 46, 48, 69, 72, 92, 96, 138, 144, 184, 207, 276, 288, 368, 414, 552, 736, 828, 1104, 1656, 2208, 3259, 3312, 6518, 6624, 9777, 13036, 19554, 26072, 29331, 39108, 52144, 58662, 74957, 78216, 104288, 117324, 149914, 156432, 224871, 234648, 299828, 312864, 449742, 469296, 599656, 674613, 899484, 938592, 1199312, 1349226, 1798968, 2398624, 2698452, 3597936, 5396904, 7195872, 10793808, 21587616]

約数ペア:

[(1, 21587616), (2, 10793808), (3, 7195872), (4, 5396904), (6, 3597936), (8, 2698452), (9, 2398624), (12, 1798968), (16, 1349226), (18, 1199312), (23, 938592), (24, 899484), (32, 674613), (36, 599656), (46, 469296), (48, 449742), (69, 312864), (72, 299828), (92, 234648), (96, 224871), (138, 156432), (144, 149914), (184, 117324), (207, 104288), (276, 78216), (288, 74957), (368, 58662), (414, 52144), (552, 39108), (736, 29331), (828, 26072), (1104, 19554), (1656, 13036), (2208, 9777), (3259, 6624), (3312, 6518)]